Interpret Slopes

True or False: Triangle A and Triangle B show different slopes.

• False, both slopes equal 0.25

• True, 2/8 is different than 1/4

Find the rate of change.

• -2 minutes per gallon

• -20 minutes per gallon

• -2 gallons per minute

• -20 gallons per minute

At what rate did the rain fall?

• 2 cm per hour

• ¹/₄ cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

Interpret the slope from the graph.

• $0; how much 0 gallons of gas costs

• It cost $3.75 per gallon to get gas.

• To buy gas, it cost $15 per gallon.

• You can receive 4 gallons of gas.

Interpret the slope.

• The price drops by $40 for every unit.

• The price drops by $2 for every unit.

• The price was $40 in the beginning.

• The price was $2 in the beginning.

Interpret the slope.

• The price drops by $40 for every unit.

• The price drops by $2 for every unit.

• The price was $40 in the beginning.

• The price was $2 in the beginning.

• A

• B

• C

• D

What is the meaning of the slope? (Hint: choose two points! Hours rented (x) and amount paid (y))

• The cost will increase by $12 per hour

• The initial fee is $15 before hourly charges

• The cost will increase by $15 per hour

• The initial fee before hourly charges is $12

The graph represents gasoline consumption when driving a certain distance in km.  What is the meaning of the slope?

• The tank started with 50 L of gasoline

• the amount of gasoline consumed per km driven

• the distance it takes to lose a Liter of gas

• the gasoline is leaking because the slope is negative.

What is the slope?

Mathematical Equivalence

ON